CN2564245Y

CN2564245Y - Auto-temp. controlled ultragravity reactor

Info

Publication number: CN2564245Y
Application number: CN 02251799
Authority: CN
Inventors: 陈建忠
Original assignee: Mengxi High Tech Group Co Ltd Inner Mongolia
Current assignee: Mengxi High Tech Group Co Ltd Inner Mongolia
Priority date: 2002-08-19
Filing date: 2002-08-19
Publication date: 2003-08-06
Anticipated expiration: 2012-08-19

Abstract

The utility model provides a novel rotary packed bed hypergravity temperature control reactor, namely, an automatic temperature control hypergravity reactor which is characterized in that the rotary packed bed rotates under the drive of continuous-phase flow which enters along the tangent direction; the best temperature condition of the reaction chamber is guaranteed by a double-layer automatic temperature control constant temperature system which is composed of a heat conducting oil tank, a cooling water tank and a PID controller. The utility model which has fast reaction, low energy consumption and best temperature is applicable in physical and chemical reactions between gas and liquid, and the reactions among gas, liquid and solid.

Description

Supergravity reactor capable of automatically controlling temperature

The technical field is as follows:

the utility model belongs to a chemical reaction equipment relates to a revolving bed hypergravity control by temperature change response device.

Background art:

at present,the supergravity reactors used in China are all provided with annular packing layers on rotating beds in the reactors, and the rotating beds are driven by motors. When the rotating bed is still, the liquid in the central feeding pipe of the reactor is sprayed to the inner surface of the packing layer, and the liquid passes through the packing layer to flow outwards slowly due to the fact that the liquid is free from the effect of centrifugal force, so that the reaction time is prolonged; when the rotating bed rotates at a high speed, the outward flow velocity of the liquid participating in the reaction is accelerated, the reaction time is shortened, but the energy consumption is larger because the power of the motor is generally larger and is more than 3 KW. In addition, the temperature has great influence on the reaction speed, the reaction conversion rate, the crystal type of a product and the like of the reactor, and the supergravity reactor used at present in China generally has single-layer temperature control, adopts steam heating and cooling water cooling, and has low temperature control precision and large temperature fluctuation. There are also reactors in which an annular coil is installed for steam heating, in a manner which is detrimental to the exothermic reaction.

The invention content is as follows:

the utility model aims at providing a reaction rate is fast, the energy consumption is low, can realize the hypergravity reactor of automatic control by temperature change.

The technical scheme of the utility model is that: an adjustable continuous phase airflow tangential impact rotating bed replaces a motor as a rotating driving force; the annular wall of the reaction chamber adopts a temperature self-control device with a double-layer concentric cylindrical jacket.

The reactorconsists of a reaction chamber and a constant temperature layer.

The reaction chamber consists of a chamber wall, a rotating bed, a packing layer, a liquid inlet pipe, a continuous phase air inlet hole, a speed measurement sensor and an exhaust pipe. The chamber wall is hollow cylindrical, the upper end surface is a top cover, the center of the top cover is provided with a liquid inlet pipe, and the lower part of the chamber wall is provided with a liquid collecting tank and a feed opening; the rotating bed is arranged in the reaction chamber and is concentric with the liquid inlet pipe, the upper end surface of the rotating bed is contacted with the top cover through the comb sealing device, and the lower part of the rotating bed is positioned with the lower end surface of the chamber wall through the rotating shaft; a packing layer is arranged on the rotating bed, and a continuous phase air inlet hole entering the rotating bed tangentially is arranged on the side wall of the reaction chamber; the rotating bed and the side wall of the reaction chamber are provided with a corresponding speed measuring induction sheet and a speed measuring sensor.

The constant temperature layer is composed of a heat conduction oil tank, a cooling water tank, an oil temperature sensor, a cooling water regulating valve and the like. The heat-conducting oil tank and the cooling water tank are two layers of concentric cylindrical containers at the periphery of the reaction chamber. The heat-conducting oil tank is arranged between the reaction chamber and the cooling water tank, and an oil level indicator, an oil temperature sensor and a heating rod are arranged on the oil tank; the cooling water tank is provided with a cooling water outlet and inlet electromagnetic valve and a water temperature meter; the oil temperature and the water temperature are automatically controlled and adjusted by the PID temperature controller.

The utility model has the beneficial technical effects that: the adjustable continuous phase airflow tangentially impacts the rotating bed to replace a motor to drive the rotating bed to rotate at a high speed, so that the quick reaction of substances is realized, the energy consumption is reduced, and the rotating speed is adjusted by adjusting the flow of the continuous phase; the annular wall of the reaction chamber adopts a temperature self-control device with a double-layer concentric cylindrical jacket, so that the temperature in the reaction chamber is constant, and the reaction conditions and good effects are ensured.

Description of the drawings:

FIG. 1 is a schematic structural diagram of a supergravity reactor capable of automatic temperature control.

1 is the reacting chamber, 2 is the top cap, 3 is the collecting tank, 4 is the feed opening, 5 is broach sealing device, 6 is the feed liquor pipe, 7 is the blast pipe, 8 is the revolving bed, 9 is the packing layer, 10 is the rotation axis, 11 is the continuous phase air inlet, 12 is the response piece that tests the speed, 13 is the speed sensor, 14 is feed opening temperature sensor, 15 is the heat-conducting oil tank, 16 is cooling water tank, 17 is oil temperature sensor, 18 is the oil level indicator, 19 is the heating rod, 20 is the solenoid valve of intaking, 21 is the solenoid valve of going out water, 22 is the water gauge.

The specific implementation mode is as follows:

the structure characteristics and the principle of the present invention are described as follows with the embodiments of the attached drawings:

the automatic temperature control hypergravity reactor consists of a reaction chamber and a constant temperature layer.

The reaction chamber 1 is composed of a chamber wall, a rotating bed 8, a packing layer 9, a liquid inlet pipe 6, a continuous phase air inlet hole 11, a speed measuring sensor 13 and an exhaust pipe 7.

The chamber wall is hollow and cylindrical, the upper end surface is a top cover 2, the center of the top cover is provided with a liquid inlet pipe 6, and the lower part of the chamber wall is provided with a liquid collecting tank 3 and a feed opening 4; the rotating bed 8 is arranged in the reaction chamber and is concentric with the liquid inlet pipe 6, the upper end surface of the rotating bed is contacted with the fixed top cover 2 through the comb sealing device 5, the lower part of the rotating bed is positioned with the lower end surface of the chamber wall through the rotating shaft 10, and the rotating shaft 10 is fixed in a lubricating and sealing cavity provided with two thrust bearings, a sealing gasket and a damping spring; a packing layer 9 is arranged on the rotating bed 8, and a continuous phase air inlet hole 11 entering the rotating bed 8 tangentially is arranged on the side wall of the reaction chamber 1; the rotating bed 8 and the side wall of the reaction chamber 1 are provided with a corresponding speed measuring induction sheet 12 and a speed measuring sensor 13.

The constant temperature layer is composed of a heat conduction oil tank 15, a cooling water tank 16, an oil temperature sensor 17, cooling water adjusting valves 20 and 21, a PID temperature controller and the like.

The heat-conducting oil tank 15 and the cooling water tank 16 are two layers of concentric cylindrical containers on the periphery of the reaction chamber 1. The heat-conducting oil tank 15 is arranged between the reaction chamber 1 and the cooling water tank 16, and an oil level indicator 18, an oiltemperature sensor 17 and a heating rod 19 are arranged on the oil tank; the cooling water tank 16 is provided with cooling water outlet and inlet electromagnetic valves 21 and 20 and a water temperature meter 22. The oil temperature sensor 17, the heating rod 19, the cooling water inlet and outlet electromagnetic valves 21 and 20 and the feed opening temperature sensor 14 are in signal connection with the PID temperature controller.

The working principle of the automatic control hypergravity reactor is as follows:

the reaction liquid enters the inner side of a packing layer 9 on a rotating bed 8 from a liquid inlet pipe 6 under the action of a pump; continuous phase gas enters the reaction chamber 1 through the gas inlet 11 in a tangential direction with the rotating bed 8, high-speed gas flow rotates in the reaction chamber to form a supergravity field, the rotating bed 8 is driven to rotate at a high speed, and the rotating speed can be controlled by adjusting the gas flow; gas enters a packing layer 9 through small holes of a rotating bed 8 and is discharged from an exhaust port 7; the liquid and the gas are in countercurrent contact in the packing layer 9 and fully react, the reacted liquid is collected in the liquid collecting tank 3 and is discharged from the feed opening 4, and the temperature parameter is input into the PID temperature controller through the temperature sensor 14 during discharge.

The following is combined with specific reactions (e.g.: (ii) a The reaction temperature is 18-25 ℃. Briefly describing the automatic temperature control principle:

the reaction is exothermic. An optimal constant value is set in the PID temperature controller, the sensor displays that the temperature in the reaction chamber is lower than the constant value at the beginning of the reaction, the temperature controller controls the controllable silicon of the heating loop to be connected with the heating rod 19 at a large conduction angle, so that the oil temperature rises rapidly, the conduction angle is reduced gradually as the temperature approaches the constant value gradually, and the current of the heating rod 19 is reduced gradually until the current is zero. When the exothermic reaction makes the temperature of the reaction chamber higher than a constant value, the PID temperature controller controls the conduction angle of the controllable silicon of the cooling loop, and opens the cooling water inlet and outlet electromagnetic valves 21 and 20 at corresponding flow rates to circulate the cooling water, so as to achieve the purpose of cooling.

Claims

1. The utility model provides a supergravity reactor that can automatic control by temperature change, comprises reaction chamber and constant temperature layer, the reaction chamber constitute its characterized in that by chamber wall, revolving bed, packing layer, feed liquor pipe, continuous phase inlet port and blast pipe: a speed measuring sensor is arranged between the reaction chamber and the rotating bed, and the continuous phase air inlet and the rotating bed are tangentially arranged on the side wall of the reaction chamber; the constant temperature layer is composed of a heat conduction oil tank, a cooling water tank, an oil temperature sensor, a cooling water adjusting valve and the like, the heat conduction oil tank and the cooling water tank are two layers of concentric cylindrical containers at the periphery of the reaction chamber, and the PID temperature controller automatically controls the reaction chamber to keep constant temperature by adjusting the oil temperature and the cooling water.

2. The supergravity reactor capable ofautomatic temperature control according to claim 1, wherein: the rotating bed and the side wall of the reaction chamber are provided with a corresponding speed measuring induction sheet and a speed measuring sensor.

3. An automatically temperature-controllable supergravity reactor according to claim 1 or claim 2, wherein: the heat-conducting oil tank is arranged between the reaction chamber and the cooling water tank, and an oil level indicator, an oil temperature sensor and a heating rod are arranged on the oil tank; the cooling water tank is provided with a cooling water outlet and inlet electromagnetic valve and a water temperature meter; the oil temperature sensor, the heating rod, the feed opening temperature sensor and the cooling water inlet and outlet electromagnetic valve are in signal connection with the PID temperature controller.